<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="querinfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="searchGoods"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table表格区域 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name" width="690px"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="100px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="80px"></el-table-column>
        <el-table-column label="商品创建时间" prop="upd_time" width="150px">
          <template slot-scope="scope">{{scope.row.upd_time | dateFormat}}</template>
        </el-table-column>
        <el-table-column label="操作" width="150px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="small"></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="small"
              @click="removeById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="querinfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="querinfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      ></el-pagination>
    </el-card>
  </div>
</template>
<script>
export default {
  data() {
    return {
      querinfo: {
        //查询参数对象
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      goodsList: [], //商品列表数据
      total: 0, //总数据条数
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList() {     
       const { data: res } = await this.$http.get('goods', {
        params: this.querinfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      this.$message.success('获取商品列表成功')
      this.goodsList = res.data.goods
      this.total = res.data.total
      this.flag =false    
    },
    searchGoods(){
        if(this.querinfo.query.trim().length===0){
        return this.$message.info('请输入搜索关键字')    
      }  
      this.getGoodsList()
    },
    handleSizeChange(newSize) {
      this.querinfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange(newPage) {
      this.querinfo.pagenum = newPage
      this.getGoodsList()
    },
    async removeById(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
          center: true
        }
      ).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete('goods/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除分类失败！')
      }
      this.$message.success('删除分类成功')
      this.getGoodsList()
    },
    goAddpage(){
        this.$router.push('/goods/add')
    }
  }
}
</script>
<style  scoped>
.el-button {
  text-align: center;
}
</style>